Principal Backend Engineer

Description: Join Qonto as a Principal Backend Engineer in the Foundations domain to scale critical systems for over 600,000 customers. Drive company-wide backend initiatives related to transactions, search, monetization, permissions, and integrations. Requirements: Experience in designing and scaling high-volume backend systems under growth pressure. Proven track record of leading complex, multi-team technical initiatives with business outcomes. Ability to thrive in ambiguous environments and propose initiatives autonomously. Experience in mentoring and raising the technical standards of engineering teams. Familiarity with using AI tools in architecture and development processes. Benefits: Opportunity to architect solutions for rapidly growing data volumes before they become bottlenecks. Work within the largest engineering domain at Qonto, with a team of ~110 backend engineers. Tackle complex, urgent, and business-critical technical challenges that impact millions of users. Real ownership over technical direction and the autonomy to shape the future of the domain.